<div class="example-wrapper">
    <div class="example-header">
        <button onclick="onAddRange()">Add Range</button>
        <button onclick="onClearRange()">Clear Range</button>
        Range Count:
        <span id="lbRangeCount" style="padding-right: 20px;"></span>
        Eager Sum:
        <span id="lbEagerSum" style="padding-right: 20px;"></span>
        Lazy Sum:
        <span id="lbLazySum" style="padding-right: 20px;"></span>
    </div>
    <div id="myGrid" class="ag-theme-quartz"></div>
</div>